Finding the Fourth Proportional to 155,401.64, 233,173.18 and 75,396.42

Step by Step Solution

1. Step 1: Write the proportion equation
   155,401.64 : 233,173.18 = 75,396.42 : x
2. Step 2: Convert to fraction form
   155,401.64/233,173.18 = 75,396.42/x
3. Step 3: Cross multiply
   155,401.64x = 233,173.18 × 75,396.42
4. Step 4: Simplify right side
   155,401.64x = 17,580,423,106.26
5. Step 5: Solve for x
   x = 17,580,423,106.26/155,401.64
6. Step 6: Final answer
   x = 113,128.94